The first and second floors are called the "Bloody Shallows," which on the surface appears to be just a wilderness under a perpetually blood-red sky.
But the book reveals that beneath this seemingly ordinary surface lie thousands of "Space Bubbles," each with its own unique ecosystem.
The boundaries between these bubbles are blurred and unstable; one misstep, and the explorer might step into a completely different environment.
The third floor, the "Black Sand Wilderness," where the Scorpion hails from, is described as a cursed desert on the surface.
But deeper analysis reveals a more shocking truth: the "grains of sand" here are actually tiny life forms, each with its own consciousness and purpose.
The entire desert is essentially a massive intelligent cluster that expands by continuously devouring and assimilating.
